How to copy array in java

Java copy array

int[] a = {1,2,3,4,5};
int[] b = Arrays.copyOf(a, a.length);

Copy array in java

public static void arraycopy(Object source_arr, int sourcePos,
                             Object dest_arr, int destPos,
                             int len)
/* Parameters : 
source_arr : array to be copied from
sourcePos : starting position in source array from where to copy
dest_arr : array to be copied in
destPos : starting position in destination array, where to copy in
len : total no. of components to be copied
*/

How to copy array in java

// method 
public static int [] copyArray(int [] arr){
      int [] copyArr = new int[arr.length];
      for (int i = 0; i < copyArr.length; i++){
            copyArr[i] = arr[i];
       }
      return copyArr;
}

// Arrays. method 
int[] copyCat = Arrays.copyOf(arr, arr.length);

// System 
System.arraycopy(x,0,y,0,5); // 5 is array's length 

// clone 
y = x.clone();

Similar codes

4 votes335 views2 answers
Java current time millis
Java
24 votes352 views6 answers
Java string to int
Java
-1 vote354 views1 answer
Schantalgebra
Java
13 votes352 views2 answers
Android cardview dependency
Java
0 vote300 views1 answer
Array index out of bounds exception
Java
1 vote325 views2 answers
Does finally block executed after crash
Java
0 vote327 views1 answer
Java using .indexof to fin a space
Java
0 vote333 views1 answer
Le but de ce sujet est d´écrire un programme JAVA pour aider à la gestion de la billeterie des différentes salles d'un complexe cinématographique. Les places non numérotées sont vendues selon deux tarif
Java
0 vote415 views1 answer
Spring boot eureka , zual hystrix, rest api docs
Java Spring
2 votes336 views2 answers
Java implement multiple interfaces
Java